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ASTM A369 Grade FP91 vs. EN 1.4466 Stainless Steel

Both ASTM A369 grade FP91 and EN 1.4466 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP91 and the bottom bar is EN 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
42
Fatigue Strength, MPa 320
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
80
Shear Strength, MPa 410
440
Tensile Strength: Ultimate (UTS), MPa 670
640
Tensile Strength: Yield (Proof), MPa 460
280

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 37
70
Embodied Water, L/kg 88
200

Common Calculations

PREN (Pitting Resistance) 13
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 560
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 6.9
3.7
Thermal Shock Resistance, points 18
14

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0 to 0.020
Chromium (Cr), % 8.0 to 9.5
24 to 26
Iron (Fe), % 87.3 to 90.3
45.6 to 52.9
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.85 to 1.1
2.0 to 2.5
Nickel (Ni), % 0 to 0.4
21 to 23
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0.1 to 0.16
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.2 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0